529.03.0021 Visco Fan Drive for Volvo Trucks
529.03.0021
Summary
This heavy-duty Visco Fan Drive features a ø204 mm diameter, designed for optimal cooling performance in Volvo trucks such as the FH12, FM12, and FL12. It is compatible with Mahle-Behr systems and engineered to meet high-strength component standards. Equivalent to OE Volvo 20364981S.
| EAN Code | 8683457016545 |
|---|
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Compatible OEM Codes
-
VOLVO
- 8149397S
- 8113632S
- 20364981S
Description
What does a Visco Fan Drive do?
This Visco Fan Drive is a critical component within the engine cooling system, managing airflow to maintain optimal operating temperatures. By utilizing a heat-sensitive mechanism, it ensures the fan rotates at the required speed based on engine heat, preventing overheating during heavy-duty operations.Vehicle and engine compatibility
The unit is designed for wide compatibility across various Volvo models, including FH12, NH12, FL10, FL12, FM12, VNL, VHD, B10M, FH16, F10, F12, B10B, B12, NL10, FM10, and NL12. It also fits Renault Trucks Magnum engines like the DXi12. This part is compatible with Mahle-Behr systems.Installation and maintenance guidance
For professional installation, technicians should verify that the ø204 mm diameter matches the existing assembly. Proper mounting ensures balanced rotation and prevents premature wear of the drive mechanism. Regular inspection of the viscous coupling is recommended to prevent thermal management issues.Selection for cooling efficiency
When selecting a replacement, ensure the unit matches the specific engine requirements of your vehicle to maintain system integrity and cooling efficiency.OE cross-reference
529.03.0021 (Visco Fan Drive Fan) is the equivalent of the Volvo OE numbers. This part directly replaces Volvo OE numbers 20364981S, 8113632S, 8149397S.Technical Specifications
| Diameter | ø204 mm |
|---|
Other OEMs
VOLVO
- 8149397S
- 8113632S
- 20364981S
Related Products
Used In
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| MAHLE-BEHR | |||
| RENAULT TRUCKS | Magnum | DXi12 | |
| VOLVO | |||
| VOLVO | B10B | D10A | |
| VOLVO | B10M | D10A | |
| VOLVO | B12 | D12A | |
| VOLVO | F10 | TD102 | |
| VOLVO | F12 | TD122 | |
| VOLVO | FH12 | D12A | |
| VOLVO | FH12 | D12C | |
| VOLVO | FH12 | D12D | |
| VOLVO | FH16 | D16C | |
| VOLVO | FL10 | D10A | |
| VOLVO | FL10 | TD102 | |
| VOLVO | FL10 | TD103 | |
| VOLVO | FL12 | TD122 | |
| VOLVO | FL12 | TD123 | |
| VOLVO | FM10 | D10A | |
| VOLVO | FM12 | D12C | |
| VOLVO | FM12 | D12D | |
| VOLVO | NH12 | D12A | |
| VOLVO | NH12 | D12C | |
| VOLVO | NL10 | D10A | |
| VOLVO | NL12 | D12A | |
| VOLVO | VHD | D12 | |
| VOLVO | VNL | D12 |
FAQ
What is the function of a visco fan drive?
A visco fan drive regulates the speed of the cooling fan based on thermal demand, ensuring efficient engine temperature control in heavy commercial vehicles.
Which Volvo models is this part compatible with?
This component fits various Volvo models including the FH series (FH12, FH16), FM series (FM10, FM12), FL series (FL10, FL12), and several others like VNL and VHD.
How can I verify if this fan drive fits my engine?
Technicians should check the diameter—this unit is ø204 mm—and cross-reference the existing unit's specifications against the vehicle's service requirements.
What are signs of a failing visco fan drive?
Common symptoms include engine overheating or excessive fan noise/slipping due to internal fluid degradation within the viscous mechanism.
What are the OE reference numbers of this part?
529.03.0021 directly replaces Volvo OE numbers 20364981S, 8113632S, 8149397S.